Check out the github graphical client for windows, it's pretty easy to understand and use the basic features. It also shows graphically what's going on: Changes

Check out the github graphical client for windows, it's pretty easy to understand and use the basic features. It also shows graphically what's going on: Changes of each commit, history of commits, merge conflicts, who did what, and so on. And you don't need the terminal, which is a bit daunting if you never used it before